ZTE ZXDSL 531 is a type 2 Modem supplied by BSNL with 4 Lan and WIFI. This is a comparatively cheap and best Wifi modem. The cost of this Modem is 1600/- if purchased through BSNL. Here the method to configure this Modem in bridge and PPPoE mode.

Connect your Modem and computer through the supplied Ethernet cable.

Open your browser and type http://192.168.1.1. Now a pop up window will come up. Enter the user name “admin” and password “admin”

After loging in click “Advance setup” in the left side of the page. Then a table will be shown. check the check box in the first row showing pvc 0 under the head remove, then click Remove button at the bottom.

Click Add, ensure the vci value as 35 , click Next.

For customers using dialer for broadband (Means user id and password to be entered in your dialer)

Select the connection type as Bridging and encapsulation as LLC, click Next.

2. Click Apply/Save, the table again appears, click Save and Reboot at the bottom of the table, wait for approx. 3 min. to automatically reboot the modem. After the modem reboots, connect your broadband using the your broadband dialer.

3 To make a dialer, go to Control panel , Network connection > create new connection

For customer using Always On mode(PPPoE Mode)

This mode suitable for sharing the broadband connection for multiple users through Ethernet cable or Wifi. In this mode the user id and password is stored inside the Modem and connection will be established by simply switching ON the modem. No dialer is required.

4. The table again appears, click Save and Reboot at the bottom of the table, wait for approx. 3 min. to automatically reboot the modem. After the modem reboots, confirm the stability of DSL light, after it becomes stable, you can start using your internet connection.

I have forgotten the initial password of my broadband router.
I have an mtnl bb connection
The router model is model is dataone – zte zxdsl 531b
I have tried user id as admin and password as admin. does not work.

Sir,
Thanks for this information. My modem worked perfectly. But from the last few months the wireless is not working. In the admin portal the wireless tab is missing. In the diagnostics tab it is showing that wireless is down. What should I do? Please help me.

I am using MTNL Broadband with 450TC1 router. I am getting WiFi connection in my apartment and my SONY VAIO works fine with WiFi in my apartment. recently I brought Ubislate 7Ci, but my Ubislate is not getting WiFi signal even if I sit near the modem. Is this WiFi connection problem or the problem of Ubislate. Please help and suggest.

Sir,
I am using ZTE zxdsl 531B, wireless with 4LAN. I was using it with bsnl connection for few years, it was supplied by them. Now I moved to different location, there the bsnl is not available, so I went for Ticono wireless broad band connection.

thanks sujith for ur help, i was not been able to configure my modem for the past six months but ur formula helped me. now i am using my laptop as well as mobiles on wi fi as well. thank u so much. god bless u

Sir,
I am using ZTE zxdsl 531B, wireless with 4LAN. I was using it with bsnl connection for few years, it was supplied by them. Now I moved to different location, there the bsnl is not available, so I went for Ticono wireless broad band connection.

Now my question, is it possible to configure this modem to Ticono service? Please guide me
thanks

sir,
I was trying to configure my zxdsl 531b ZTE modem into wireless one…but, I couldn’t complete the procedure, due to some reasons. After that..the modem has stopped working properly…the pc shows LAN connection but…broadband connection doesn’t connect…there is no internet connection
I have even reset the modem…but, even then, the broadband connection didn’t connect. Please help me out.

Sir,
I have configured the ZTE 531b or wired connection, but when i use to connect my android phone , it detects the wifi, but it asks for password, but once i give the pasword, it tries to authenticates, then disconnects, what is method to disable the password, Though unsecure, initially i try to solve this . please

hello sir
i am too much tired with my ZET “ZXDSL 531B” modem from some pervious day wifi of my modem is not working it’s and WLAN LED is not blinking and in it’s configuration site (192.168.1.1) wifi setting tab is vanished ( disapper) please help as fast as you can. but its wired notwork is working properly.
Thankyou in advance..

Throw the ZTE ZXDLS 531B modem and acquire a NETGEAR Modem which is a very superior in performance than this Govt. given cheap lowest priced modem.
I too had problems fro almost 2 years, when I decided to buy Netgear Modem and I am happy with the performance.